Siemens Q350H 50A 3P 240V Circuit Breaker, Plug-On | AmpState

Meet the Siemens Q350H 50A 3P 240V Circuit Breaker, Plug-On — a precise protection device built for panelboards, load centers, and electrical distribution networks. Designed for environments where a direct part-number match matters, this unit is the smart choice for maintenance teams, panel builders, and stock inventories that prioritize reliability and rapid deployment.

Key specifications

• Manufacturer: Siemens
• Part Number: Q350H
• Type: Circuit Breaker
• Amperage: 50 A
• Poles: 3
• Voltage: 240V
• Connection: Plug-On

Who benefits most

• Maintenance teams needing dependable protection to minimize downtime in commercial and industrial facilities
• Panel builders seeking a direct, compatible replacement to speed up assembly and testing
• Facilities managers stocking spare inventory for quick field service and reduced outage risk

Why this matters

The Siemens Q350H delivers reliable overcurrent protection for 3‑pole, 240V circuits with a plug-on installation that simplifies field upgrades and replacements. Its 50 amp rating is ideal for feeding substantial loads while preserving circuit integrity and safety. This is not a generic breaker—it’s a precise match for Siemens panel systems, ensuring correct trip characteristics and dependable performance when it’s most needed.

Practical use cases

• Replacing a failed 50 A 3P 240V breaker in a commercial or industrial panelboard
• Adding spare protection for critical feeders in a distribution center
• Specifying exact Siemens Q350H parts during panel fabrication or retrofit projects

Compatibility and support

Need help confirming fit? Message us and we’ll help you verify compatibility to ensure a seamless match with your existing Siemens bus assemblies and distribution equipment.

Why buy from AmpState

AmpState stocks authentic Siemens breakers like the Q350H, offering clear part-number visibility and dependable availability. When you select this component, you’re choosing a proven solution backed by straightforward support and fast fulfillment.